Home / 82,891.40-124,466.70-47,899.40

Finding the Fourth Proportional to 82,891.40, 124,466.70 and 47,899.40

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Solution

The fourth proportional to 82,891.40, 124,466.70 and 47,899.40 is: 71,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,891.40 : 124,466.70 = 47,899.40 : x
  2. Step 2: Convert to fraction form
    82,891.40/124,466.70 = 47,899.40/x
  3. Step 3: Cross multiply
    82,891.40x = 124,466.70 × 47,899.40
  4. Step 4: Simplify right side
    82,891.40x = 5,961,880,249.98
  5. Step 5: Solve for x
    x = 5,961,880,249.98/82,891.40
  6. Step 6: Final answer
    x = 71,923.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.